Earth Sciences: Paleontology: Invertebrates: Graptolites

Graptolites collected from the Athens Shale formation (Ordovician age) near Montevalo, Alabama.

Information and topical news about graptolites, and those scientists working on graptolites in the UK and Ireland

Piotr Mierzejewski: research interests, abstracts of recent graptolite publications.

(with Dr Nancy Kirk). Research interests, morphology of retiolitids, ultrastructure, mode of life, evolution.

First find of a Permian rhabdopleurid (Graptolithoidea).

Pyritization and deformation of graptolites by Ch.M. Witkowski.

Links to graptolite and pterobranch pages, abstracts, articles, graptolite researchers.

Information about the species; photo.

Photo of the graptolite species.

Remarks on affinities of some graptolite-like fossils.

Stolonoid graptolites discussed as rhabdopleurids.

Definition and nature of the Graptovermida, graptolites incertae sedis.

Affinities of some alleged graptolite genera.

Nature of the genera assigned to the graptolite order Inocaulida.

A graptolite-like fossil from the Ordovician of Estonia and erratic boulders.

Material from the Bendigonian Series, Bendigo, Victoria, Austalia.

Diagnosis, occurrence, images, and references of the species.

List of extinct and extant families, genera and species.

Graptolite-like fossils from the Upper Ordovician of Ohio and Indiana. By J.M. St.John and M.A. Wilson.

Diagnosis, distribution, and images of the genus.

The only fossil species of the genus Cephalodiscus.

Biography of an Authority on Graptolites.

Description and SEM micrographs of normal and sealed thecal morphs in the camaroid graptolite Xenotheka klinostoma from the Ordovician of Öland, Sweden.

Early Palaeozoic tracheid-like tubes, believed to be of vascular land plant origin, resemble fragments of graptolite stolons.

Isolated stolons of Koremagraptus-like graptolites were misinterpreted as remains of the 'chitinous' hydroids (4 images).